Implemented --exec option.

youtube_dl/postprocessor/execafterdownload.py

@@ -0,0 +1,36 @@
+# ExecAfterDownload written by AaronM / mcd1992.
+# If there are any issues with this postprocessor please contact me via github or admin@fgthou.se
+
+import os, re, shlex
+from ..utils import PostProcessingError
+
+class ExecAfterDownload( object ):
+    _downloader = None
+
+    def __init__( self, downloader = None, commandString = None ):
+        self._downloader = downloader
+        self.commandString = commandString
+
+    def set_downloader( self, downloader ):
+        """Sets the downloader for this PP."""
+        self._downloader = downloader
+
+    def run( self, information ):
+        self.targetFile = information["filepath"]
+        self.finalCommand = None;
+
+        if( re.search( '{}', self.commandString ) ): # Find and replace all occurrences of {} with the file name.
+            self.finalCommand = re.sub( "{}", '\'' + self.targetFile + '\'', self.commandString )
+        else:
+            self.finalCommand = self.commandString + ' \'' + self.targetFile + '\''
+
+        if( self.finalCommand ):
+            print( "[exec] Executing command: " + self.finalCommand )
+            os.system( self.finalCommand )
+        else:
+            raise PostProcessingExecError( "Invalid syntax for --exec post processor" )
+
+        return None, information  # by default, keep file and do nothing
+
+class PostProcessingExecError( PostProcessingError ):
+    pass